Skyscanner

Cheap Flights from New York LaGuardia to Washington Dulles

Travellers and cabin class

Compare New York LaGuardia to Washington Dulles flight deals

Find the cheapest month or even day of the year to fly to Washington Dulles

Book the best Washington Dulles fare with no extra fees

Flight deals from New York LaGuardia to Washington Dulles

Looking for a cheap last-minute deal or the best return flight from New York LaGuardia to Washington Dulles? Find the lowest prices on one-way and return tickets right here.
Washington D.C..112 € per passenger.Departing Tue, 20 May, returning Tue, 20 May.Return flight with United.Outbound direct flight with United departs from New York LaGuardia on Tue, 20 May, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Tue, 20 May, arriving in New York LaGuardia.Price includes taxes and charges.From 112 €, select.
Washington D.C..113 € per passenger.Departing Mon, 28 Jul, returning Mon, 4 Aug.Return flight with United.Outbound direct flight with United departs from New York LaGuardia on Mon, 28 Jul, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Mon, 4 Aug, arriving in New York LaGuardia.Price includes taxes and charges.From 113 €, select.
Washington D.C..113 € per passenger.Departing Thu, 14 Aug, returning Thu, 14 Aug.Return flight with United.Outbound direct flight with United departs from New York LaGuardia on Thu, 14 Aug, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Thu, 14 Aug, arriving in New York LaGuardia.Price includes taxes and charges.From 113 €, select.
Washington D.C..113 € per passenger.Departing Fri, 6 Jun, returning Fri, 6 Jun.Return flight with United.Outbound direct flight with United departs from New York LaGuardia on Fri, 6 Jun, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Fri, 6 Jun, arriving in New York LaGuardia.Price includes taxes and charges.From 113 €, select.
Washington D.C..113 € per passenger.Departing Fri, 12 Sep, returning Fri, 12 Sep.Return flight with United.Outbound direct flight with United departs from New York LaGuardia on Fri, 12 Sep, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Fri, 12 Sep, arriving in New York LaGuardia.Price includes taxes and charges.From 113 €, select.
Washington D.C..113 € per passenger.Departing Wed, 2 Jul, returning Wed, 2 Jul.Return flight with United.Outbound direct flight with United departs from New York LaGuardia on Wed, 2 Jul, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Wed, 2 Jul, arriving in New York LaGuardia.Price includes taxes and charges.From 113 €, select.
Washington D.C..113 € per passenger.Departing Tue, 26 Aug, returning Tue, 2 Sep.Return flight with United.Outbound direct flight with United departs from New York LaGuardia on Tue, 26 Aug, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Tue, 2 Sep, arriving in New York LaGuardia.Price includes taxes and charges.From 113 €, select.
Washington D.C..113 € per passenger.Departing Thu, 9 Oct, returning Thu, 9 Oct.Return flight with United.Outbound direct flight with United departs from New York LaGuardia on Thu, 9 Oct, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Thu, 9 Oct, arriving in New York LaGuardia.Price includes taxes and charges.From 113 €, select.

Find the cheapest month to fly from New York LaGuardia to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like New York LaGuardia to Washington Dulles flights are currently cheapest in May.
May
from 112 €
Jun
from 113 €
Jul
from 113 €
Aug
from 113 €
Sep
from 113 €
Oct
from 113 €
Nov
from 114 €
Dec
from 114 €
Jan
from 168 €
Feb
from 167 €
Mar
from 167 €
Apr
Find prices

Direct flights from New York LaGuardia to Washington Dulles

New York LaGuardia to Washington Dulles: Alternative routes

Compare routes from New York LaGuardia to Washington D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Washington Dulles.

New York to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight found112 €
Cheapest month to flyMay
Average flight time1 hr, 29 mins
Most popular airlineUnited
Average flights per week74

Finding cheap flights from New York LaGuardia to Washington Dulles: Frequently asked questions

The best price we found for a return flight from New York LaGuardia to Washington Dulles is 112 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 29 minutes is the average flight time from New York LaGuardia to Washington Dulles.
United, Mesa Airlines and Republic Airways fly direct from New York LaGuardia to Washington Dulles.
As of May 2025, there are 74 flights per week flying from New York LaGuardia to Washington Dulles.
The cheapest month to fly from New York LaGuardia to Washington Dulles is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from New York LaGuardia Airport to Washington Dulles Airport on Tuesday, 20 May 2025.
Yes – the average flight time is 1 hour and 29 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington Dulles but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to Washington Dulles.

Travelling from LaGuardia Airport (LGA) to Washington Dulles International Airport (IAD): what you need to know

  • Around 1 hour 30 minutes is how long you can expect to be in the air on a direct flight from LaGuardia Airport to Washington Dulles International Airport.

  • New York and Washington DC are both in the UTC-4 timezone. This means you won't have to change your watch on arrival.

  • Each week, there are 294 LaGuardia Airport to Washington Dulles International Airport flights. If you prefer to jet off as soon as possible, jump on the 06:00 United Airlines flight. If you're eager to make the most of your time before you fly, the last flight is at 19:48 with United Airlines.

  • Get to the airport on time so you don't miss your LGA to IAD flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • Be prepared for longer queues in popular months like July. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a wise move.

  • United Airlines is your gateway to exploring Washington DC (and maybe even some other exciting parts of United States!). Browse the direct flights from LaGuardia Airport to Washington Dulles International Airport offered by this popular carrier.

  • United Airlines is the airline most travellers choose to fly with on this route.

  • With 78.1% of its services arriving as planned, United Airlines is the most punctual carrier operating LGA to IAD flights.

  • We make it simple to book a flight with a stopover. To see all your options for tickets from LaGuardia Airport to Washington Dulles International Airport, uncheck 'Direct flights only.' Then, pick a flight offering a stop long enough to tour your chosen city. Some great stopovers between LGA and IAD include:

    • Philadelphia International Airport

    • Richmond International Airport (Byrd Field)

    • Charlottesville Albemarle Airport

How to find the cheapest flights from LaGuardia Airport (LGA) to Washington Dulles International Airport (IAD)

  • At the moment, 57 € is the lowest price we've found for a one-way LaGuardia Airport to Washington Dulles International Airport flight. The best price for a return plane ticket is 112 €. Bear in mind that fares could change due to demand at the time of booking.

  • Book six months before you travel. After crunching the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from LGA to IAD.

  • May is the cheapest month for flights from LaGuardia Airport to Washington Dulles International Airport. If you want to fly at a different time of year, the 'Whole month' tool will show you the lowest prices across every month.

  • Landing cheap flights from LGA to IAD is a piece of cake with Price Alerts. Simply create one of these automatic alerts and we'll notify you when a new deal comes up.

  • Select your preferred departure and arrival times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from LaGuardia Airport to Washington Dulles International Airport.

Handy information about LaGuardia Airport (LGA)

  • LGA is located at Hangar 7 Centre.

  • LaGuardia Airport maintains a solid on-time record, reducing your chances of a delayed flight. Departures from LGA arrive on schedule 80.0% of the time.

  • LaGuardia Airport is about 18 kilometres from central New York. If you're driving, ride-sharing or catching a cab from the centre, it'll take 25 minutes or so to get there, depending on the traffic.

  • Planning to catch public transport? Expect a trip time of around 1 hour.

  • Need a handy hotel close to LGA? If you're catching an early flight from LaGuardia Airport to Washington Dulles International Airport, these accommodation options will have you sleeping moments from your departure gate:

Arriving at Washington Dulles International Airport (IAD)

Getting from Washington Dulles International Airport (IAD) to central Washington DC

  • IAD is located at 1 Saarinen Circle.

  • Washington Dulles International Airport to the centre of Washington DC has a drive time of about 50 minutes. It's approximately 56 kilometres away.

  • When travelling by public transport, expect a journey time of around 3 hours 25 minutes.

When to fly to Washington Dulles International Airport (IAD)

  • It's time to pick your trip dates for your flight from LaGuardia Airport to Washington Dulles International Airport. April is the busiest month to visit Washington DC. If you'd like a more low-key vibe, go in January.

  • The warmest month in Washington DC is July, with the temperature ranging between 19ºC (66ºF) and 33ºC (91ºF). Lock in your flights from LaGuardia Airport to Washington Dulles International Airport in this month if this is the kind of weather you like.

  • If you want to travel in cooler conditions, search for a cheap ticket from LGA to IAD in January. Temperatures average between -6ºC (21ºF) and 10ºC (50ºF) then.

Explore more of United States

  • New York is just one of the many cities in United States waiting to be discovered once you've seen Washington DC. Around 322 kilometres away to the north-east, popular attractions include Statue of Liberty, Central Park and Empire State Building.

  • Philadelphia is another favourite destination in United States and is around 193 kilometres north-east of Washington DC. No trip is complete without experiencing Liberty Bell, Independence Hall and Philadelphia Museum of Art.

Plan the rest of your trip from New York to Washington D.C.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.